Jak Ho asked:
I have this project going on where there is this system that works between an UAV and Underwater Vehicle. I have currently the UAV and Underwater Vehicle working but the system works in a way that data had to be transmitted between the 2 vehicles.
System Details:
UAV will scout a specific area for given object with a camera below it that can send pictures back to a Main Control Station(MCS). Through MCS, we are able to hover over the area where the given object. The problems come here. We wish to fix in a GPS system on the UAV so as to get the coordinates of the given object. With the coordinates, we will send it to the Underwater Vehicle so as to control it semi-autonomously to the given coordinates.
Questions:
Is a GPS system advisable? Or is there shorter range technology to get a positioning data?
What type of technology can we use to enable the UAV to directly send the coordinates data to the Underwater vehicle? Do we use a transmitter and receiver and use programming codes to enable the underwater to move autonomously?
Any help will be greatly appreciated. Thanks!
Can we use a cabled receiver that has a float above water to receive the coordinates data? Are we able to use Wifi facility?
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It’s pretty much impossible to send data from an aircraft to a submarine directly. What is done today is to hover over a spot and lower a sonar transponder via a cable until the transponder is underwater. Then the transponder sends sonar signals to the sub.
Radio doesn’t work underwater (water is too good a conductor) and sonar doesn’t work through the air. Actually sonar, in theory, could work through air, but you can’t get much sound through the water-air interface.
Yes, GPS systems are available. You need one that encodes the location information so it can be sent via radio to your base station.
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